George: We're operating on robots now?Alex: Can we please go back to pigs.Cristina: Yeah, what about people?Miranda: Well when the Chief decides which one of you gets to do the first solo surgery, you'll wanna be ready.

I do not know what it will be, I do not know when it will be. I do know that the winner should be prepared to do any surgical procedure and will choose one intern to scrub in. So practice your skills, impress your attendings, and do not make me look stupid.